Manage Your Color Palette in Spreadsheet
TeamColor is a Google Spreadsheet add-on for color management. Type a color code in Hex into a cell. Its background color will change to that color code. This is very useful for sharing color palette with teammates in developing apps, websites and anything else colorful.
Moreover, it has also provide custom formula for color manipulation. You could even make a colorful spreadsheet with gradient color like the screenshot.
// Add opacity to 3/6 digit hex color code to form a 8 digital hex color code